標準編號:	GB/T 20564.13-2023
中文名稱:	汽車用高強度冷連軋鋼板及鋼帶 第13部分：中錳鋼
英文名稱:	Continuously cold rolled high strength steel sheet and strip for automobile―Part 13:Medium manganese steel
中標分類:	H46    鋼板、鋼帶
行業分類:	GB    國家標準
ICS分類:	77.140.50 77.140.50    扁平鋼和半成品 77.140.50
發布機構:	國家市場監督管理總局 國家標準化管理委員會
發布日期:	2023-08-06
實施日期:	2024-3-1
標準狀態:	valid
翻譯語言:	英文
文件格式:	PDF
中文字符數:	11000 字
翻譯價格(元):	770.0
交付時間:	付款后 1~3 個工作日

Foreword This document is developed in accordance with the rules given in GB/ T 1.1-2020 Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents. This document is Part 13 of GB/T 20564 Basic information description of agricultural products for purchase and sale. The following parts of GB/T 20564 have been issued: ——Part 1: Bake hardening steel; ——Part 2: Dual phase steel; ——Part 3: High strength interstitial free steel; ——Part 4: High strength low alloy steel; ——Part 5: Isotropic steel; ——Part 6: Transformation induced plasticity steel; ——Part 7: Martensitic steels; ——Part 8: Complex phase steel; ——Part 9: Quenching and partitioning steel; ——Part 10: Twinning induced plasticity steel; ——Part 11: Carbon manganese steel; ——Part 12: Dual phase steel with high formability ——Part 13: Medium manganese steel ——Part 14: Low density steel. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing body of this document shall not be held responsible for identifying any or all such patent rights. This document was proposed by China Iron and Steel Association. This document was prepared by Technical Committee 183 on Steel of Standardization Administration of China (SAC/ TC183). ? Introduction GB/T 20564 aims to standardize the designations and classification, ordering content, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of continuously cold rolled high strength steel sheet and strip for automobile. GB/T 20564 comprises of four parts: ——Part 1: Bake hardening steel. The purpose is to determine the technical requirements of continuously cold rolled bake hardening high strength steel sheet and strip for automobile with thickness of 0.50 mm to 3.00 mm, which are mainly used for manufacturing outer plates, inner plates and some structural parts of automobiles. ——Part 2: Dual phase steel. The purpose is to determine the technical requirements of continuously cold rolled dual phase high strength steel sheet and strip with thickness of 0.50 mm to 3.00 mm, which are mainly used for manufacturing automobile outer plates, inner plates and some structural parts of automobiles. ——Part 3: High strength interstitial free steel. The purpose is to determine the technical requirements of continuously cold rolled high strength interstitial free steel sheet and strip with thickness of 0.50 mm to 3.00 mm, which are mainly used for manufacturing outer plates, inner plates and some structural parts of automobiles. ——Part 4: High strength low alloy steel. The purpose is to determine the technical requirements of continuously cold rolled high strength low alloy steel sheet and strip with thickness of no less than 3.00 mm, which are mainly used for manufacturing structural parts and reinforcements of automobiles. ——Part 5: Isotropic steel. The purpose is to determine the technical requirements of continuously cold rolled high strength isotropic steel sheet and strip with thickness not more than 2.5 mm, which are mainly used to make outer coverings of automobiles. ——Part 6: Transformation induced plasticity steel. The purpose is to determine the technical requirements of continuously cold rolled high strength transformation induced plasticity steel sheet and strip with thickness of 0.50 mm to 2.5 mm, which are mainly used to make structural parts and reinforcements of automobiles. ——Part 7: Martensitic steels. The purpose is to determine the technical requirements of continuously cold rolled high strength martensitic steel sheet and strip with thickness of 0.50 mm to 2.1 mm, which are mainly used for manufacturing structural parts, reinforcements and anti-collision parts of automobiles ——Part 8: Complex phase steel. The purpose is to determine the technical requirements of continuously cold rolled high strength complex phase steel plates and strips with thickness of 0.60 mm to 2.50 mm, which are mainly used for manufacturing structural parts, reinforcements and some inner and outer plates of automobiles. ——Part 9: Quenching and partitioning steel. The purpose is to determine the technical requirements of continuously cold rolled high strength quenching and partitioning steel plates and strips with thickness of 0.8 mm to 2.5 mm, which are mainly used for manufacturing structural parts and reinforcements of automobiles. ——Part 10: Twinning induced plasticity steel. The purpose is to determine the technical requirements of continuously cold rolled high strength twinning induced plasticity steel plates and strips with thickness of 0.50 mm to 3.00 mm, which are mainly used for manufacturing complexly shaped structural parts and reinforcements of automobiles. ——Part 11: Carbon manganese steel. The purpose is to determine the technical requirements of continuously cold rolled high strength carbon manganese steel plates and strips with thickness of 0.50 mm to 3.00 mm, which are mainly used for manufacturing structural parts of automobiles. ——Part 12: Dual phase steel with high formability The purpose is to determine the technical requirements of continuously cold rolled high strength dual phase high formability steel with plates and strips with thickness of 0.50 mm to 3.00 mm, which are mainly used for manufacturing complexly shaped structural parts and reinforcements of automobiles. ——Part 13: Medium manganese steel The purpose is to determine the technical requirements of continuously cold rolled high strength medium manganese steel plates and strips with thickness of 1.0 mm to 2.5 mm, which are mainly used for manufacturing structural parts and reinforcements of automobiles. ——Part 14: Low density steel. The purpose is to determine the technical requirements of continuously cold rolled high strength low density steel plates and strips with thickness of 0.6 mm to 3.0 mm, which are mainly used for manufacturing structural parts and reinforcements of automobiles. Continuously cold rolled high strength steel sheet and strip for automobile - Part 13: Medium manganese steel 1 Scope This document specifies the designation, classification, ordering contents, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of continuously cold rolled high strength medium manganese steel plates and strips for automobiles. This document is applicable to continuously cold rolled high strength medium manganese steel plates and strips with thickness of 0.50 mm to 2.5 mm, which are mainly used for manufacturing structural parts and reinforcements of automobiles (hereinafter referred to as "steel plates and strips"). 2 Normative references The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 223.4 Alloyed steel - Determination of manganese content - Potentiometric or visual titration method GB/T 223.5 Steel and iron - Determination of acid-soluble silicon and total silicon content - Reduced molybdosilicate spectrophotometric method GB/T 223.9 Iron steel and alloy - Determination of aluminium content - Chrom azurol S photometric method GB/T 223.40 Iron steel and alloy - Determination of niobium content by the sulphochlorophenol S spectrophotometric method GB/T 223.59 Iron steel and alloy - Determination of phosphorus content - Bismuth phosphomolybdate blue spectrophotometric method and antimony phosphomolybdate blue spectrophotometric method GB/T 223.76 Methods for chemical analysis of iron, steel and alloy - The flame atomic absorption spectrometric method for the determination of vanadium content GB/T 223.84 Steel and iron - Determination of titanium content - Diantipyrylmethane spectrophotometric method GB/T 223.85 Steel and iron - Determination of sulfur content - Infrared absorption method after combustion in an induction furnace GB/T 223.86 Steel and iron - Determination of total carbon content - Infrared absorption method after combustion in an induction furnace GB/T 228.1-2021 Metallic materials - Tensile testing - Part 1: Method of test at room temperature GB/T 247 General rule of package mark and certification for steel plates (sheets) and strips GB/T 708 Dimension, shape, weight and tolerance for cold-rolled steel strip and sheet GB/T 2523 Measuring method of surface roughness, peak count and waviness for cold-rolled metal sheet and strip GB/T 2975 Steel and steel products - Location and preparation of samples and test pieces for mechanical testing GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 17505 Steel and steel products - General technical delivery requirements GB/T 20066 Steel and iron - Sampling and preparation of samples for the determination of chemical composition 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 medium manganese steel steel with manganese content of 3% to 10%,formed into multiphase structure containing metastable austenite via reverse transformation of austenite, and with its strength and plasticity improved by transformation induced plasticity or twinning induced plasticity, and with its strength-plastic product generally not less than 30GPa%

Foreword Introduction 1 Scope 2 Normative references 3 Terms and definitions 4 Designations and classification 5 Ordering contents 6 Size, shape and weight 7 Technical requirements 8 Test methods 9 Inspection rules 10 Packaging, marking and quality certificate Annex A (Informative) Reference values for chemical composition (melting analysis) of steels Bibliography

前言 引言 1 范圍 2 規范性引用文件 3 術語和定義 4 牌號表示方法和分類 5 訂貨內容 6 尺寸、外形、重量 7 技術要求 8 試驗方法 9 檢驗規則 10 包裝、標志及質量證明書 附錄A (資料性) 鋼的化學成分(熔煉分析)參考值 參考文獻 前言 本文件按照GB/T1.1-2020《標準化工作導則第1部分:標準化文件的結構和起草規則》的規定起草。 本文件是GB/T 20564《汽車用高強度冷連軋鋼板及鋼帶》的第13部分。GB/T 20564已經發布了以下部分: ——第1部分:烘烤硬化鋼; ——第2部分:雙相鋼; ——第3部分:高強度無間隙原子鋼; ——第4部分:低合金高強度鋼; ——第5部分:各向同性鋼; ——第6部分:相變誘導塑性鋼; ——第7部分:馬氏體鋼; ——第8部分:復相鋼; ——第9部分:淬火配分鋼; ——第10部分:孿晶誘導塑性鋼; ——第11部分:碳錳鋼; ——第12部分:增強成形性雙相鋼; ——第13部分:中錳鋼; ——第14部分:低密度鋼。 請注意本文件的某些內容可能涉及專利。本文件的發布機構不承擔識別專利的責任。 本文件由中國鋼鐵工業協會提出。 本文件由全國鋼標準化技術委員會(SAC/TC183)歸口。 ? 引言 GB/T 20564旨在規范汽車用高強度冷連軋鋼板及鋼帶的牌號表示方法和分類、訂貨內容、尺寸、外形、重量、技術要求、試驗方法、檢驗規則、包裝、標志和質量證明書等。 GB/T20564由14個部分構成。 ——第1部分:烘烤硬化鋼。目的在于確定厚度為0.50 mm~3.00 mm、主要用于制作汽車外板、內板和部分結構件的冷連軋烘烤硬化高強度鋼板及鋼帶的技術要求。 ——第2部分:雙相鋼。目的在于確定厚度為0.50 mm~3.00 mm、主要用于制作汽車結構件、加強件以及部分內外板的冷連軋雙相高強度鋼板及鋼帶的技術要求。 ——第3 部分:高強度無間隙原子鋼。目的在于確定厚度為0.50 mm~3.00 mm、主要用于制作汽車外板、內板和部分結構件的冷連軋高強度無間隙原子鋼板及鋼帶的技術要求。 ——第4部分:低合金高強度鋼。目的在于確定厚度不大于3.0 mm、主要用于制作汽車結構件和加強件的冷連軋低合金高強度鋼板及鋼帶的技術要求。 ——第5部分:各向同性鋼。目的在于確定厚度不大于2.5 mm、主要用于制作汽車外覆蓋件的冷連軋各向同性高強度鋼板及鋼帶的技術要求。 ——第6部分:相變誘導塑性鋼。目的在于確定厚度為0.50 mm~2.5 mm、主要用于制作汽車結構件和加強件的冷連軋相變誘導塑性高強度鋼板及鋼帶的技術要求。 ——第7部分:馬氏體鋼。目的在于確定厚度為0.50 mm~2.1 mm、主要用于制作汽車結構件、加強件和防撞件的冷連軋馬氏體高強度鋼板及鋼帶的技術要求。 ——第8部分:復相鋼。目的在于確定厚度為0.60 mm~2.50 mm、主要用于制作汽車結構件、加強件以及部分內外板的冷連軋復相高強度鋼板及鋼帶的技術要求。 ——第9部分:淬火配分鋼。目的在于確定厚度為0.8 mm~2.5 mm.主要用于制作汽車結構件和加強件的冷連軋淬火配分高強度鋼板及鋼帶的技術要求。 ——第10部分:孿晶誘導塑性鋼。目的在于確定厚度為0.50 mm~3.00 mm.主要用于制作汽車復雜形狀結構件、加強件的冷連軋孿晶誘導塑性高強度鋼板及鋼帶的技術要求。 ——第11部分:碳錳鋼。目的在于確定厚度為0.50 mm~3.00 mm、主要用于制作汽車結構件用的冷連軋碳錳高強度鋼板及鋼帶的技術要求。 ——第12部分:增強成形性雙相鋼。目的在于確定厚度為0.50 mm~3.00 mm、主要用于制作成形復雜的汽車結構件、加強件用的冷連軋增強成形性雙相高強度鋼板及鋼帶的技術要求。 ——第13部分:中錳鋼。目的在于確定厚度為1.0mm~2.5mm、主要用于制作汽車結構件、加強件的冷連軋中錳高強度鋼板及鋼帶的技術要求。 ——第14部分:低密度鋼。目的在于確定厚度為0.6 mm~3.0 mm、主要用于制作汽車結構件、加強件的冷連軋低密度高強度鋼板及鋼帶的技術要求。 汽車用高強度冷連軋鋼板及鋼帶 第13部分:中錳鋼 1 范圍 本文件規定了汽車用冷連軋中錳高強度鋼板及鋼帶的牌號表示方法和分類、訂貨內容、尺寸、外形、重量、技術要求、試驗方法、檢驗規則、包裝、標志和質量證明書。 本文件適用于厚度為1.0mm~2.5mm,主要用于制作汽車結構件、加強件的冷連軋中錳高強度鋼板及鋼帶(以下簡稱“鋼板及鋼帶”)。 2 規范性引用文件 下列文件中的內容通過文中的規范性引用而構成本文件必不可少的條款。其中,注日期的引用文件,僅該日期對應的版本適用于本文件;不注日期的引用文件,其最新版本(包括所有的修改單)適用于本文件。 GB/T 223.4 鋼鐵及合金 錳含量的測定 電位滴定或可視滴定法 GB/T 223.5 鋼鐵 酸溶硅和全硅含量的測定 還原型硅鉬酸鹽分光光度法 GB/T 223.9 鋼鐵及合金 鋁含量的測定 鉻天青 S分光光度法 GB/T 223.40 鋼鐵及合金 鈮含量的測定 氯磺酚 S分光光度法 GB/T 223.59 鋼鐵及合金 磷含量的測定 鉍磷鑰藍分光光度法和銻磷鉬藍分光光度法 GB/T 223.76 鋼鐵及合金化學分析方法 火焰原子吸收光譜法測定釩量 GB/T 223.84 鋼鐵及合金 鈦含量的測定 二安 替比林甲烷分光光度法 GB/T 223.85 鋼鐵及合金 硫含量的測定 感應爐燃燒后紅外吸收法. GB/T 223.86 鋼鐵及合金 總碳含量的測定感 應爐燃燒后紅外吸收法 GB/T 228.1-2021 金屬材料 拉伸試驗 第1部分:室溫試驗方法 GB/T 247 鋼板和鋼帶包裝、標志及質量證明書的一般規定 GB/T 708 冷軋鋼板 和鋼帶的尺寸、外形.重量及允許偏差 GB/T 2523 冷軋金屬薄板和薄帶表面粗糙度、峰值數和波紋度測量方法 GB/T 2975 鋼及鋼產品 力學性能試驗取樣位置及試樣制備 GB/T 8170 數值修約規則與極限數值的表示和判定 GB/T 17505 鋼及鋼產品 交貨- -般技術要求 GB/T 20066 鋼和鐵 化學成分測定用試樣的取樣和制樣方法 3 術語和定義 下列術語和定義適用于本文件。 3.1 中錳鋼 medium manganese steel 錳含量為3%~10%、通過奧氏體逆轉變形成含有亞穩奧氏體的復相組織、通過相變誘導塑性或孿生誘導塑性提高其強度和塑性,且其強塑積--般不小于30GPa%的鋼。 ——————————————